12274524 has 48 divisors (see below), whose sum is σ = 32205600. Its totient is φ = 4042368.

The previous prime is 12274517. The next prime is 12274529. The reversal of 12274524 is 42547221.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12274529) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8974 + ... + 10250.

It is an arithmetic number, because the mean of its divisors is an integer number (670950).

Almost surely, 2^12274524 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12274524, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16102800).

12274524 is an abundant number, since it is smaller than the sum of its proper divisors (19931076).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12274524 is a wasteful number, since it uses less digits than its factorization.

12274524 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1379 (or 1371 counting only the distinct ones).

The product of its digits is 4480, while the sum is 27.

The square root of 12274524 is about 3503.5016768941. The cubic root of 12274524 is about 230.6755438166.

The spelling of 12274524 in words is "twelve million, two hundred seventy-four thousand, five hundred twenty-four".